LE-7A

Overview

A LH2/LOX staged-combustion engine that powers the first stage of Japan's H-IIA and H-IIB launch vehicles.

Components & hardware

Knowledge connections

• PowersH-IIA
• Uses propellantLH2 / LOX

Sources

The primary and reference sources this topic draws on.

• JAXAJapan Aerospace Exploration Agency

  Japanese missions (Hayabusa, Akatsuki) and space science.